Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11wm.c @ 1125:a6011e1394d9
Apparently MacOS X will sometimes pass command line arguments to a Cocoa
app as an openFile() message, so we have to make sure we were launched from
the Finder before accepting these as drag'n'drop documents, or they will just
duplicate what's already in argc/argv.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Mon, 22 Aug 2005 14:18:15 +0000 |
| parents | 3acd16ea0180 |
| children | 045f186426e1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <string.h> | |
| 30 #include <X11/Xlib.h> | |
| 31 #include <X11/Xutil.h> | |
| 32 | |
| 33 #include "SDL_version.h" | |
| 34 #include "SDL_error.h" | |
| 35 #include "SDL_timer.h" | |
| 36 #include "SDL_video.h" | |
| 37 #include "SDL_syswm.h" | |
| 38 #include "SDL_events_c.h" | |
| 39 #include "SDL_pixels_c.h" | |
| 40 #include "SDL_x11modes_c.h" | |
| 41 #include "SDL_x11wm_c.h" | |
| 42 | |
|
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43 static Uint8 reverse_byte(Uint8 x) |
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44 { |
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45 x = (x & 0xaa) >> 1 | (x & 0x55) << 1; |
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46 x = (x & 0xcc) >> 2 | (x & 0x33) << 2; |
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47 x = (x & 0xf0) >> 4 | (x & 0x0f) << 4; |
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48 return x; |
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49 } |
| 0 | 50 |
| 51 void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 52 { | |
| 53 SDL_Surface *sicon; | |
| 54 XWMHints *wmhints; | |
| 55 XImage *icon_image; | |
| 56 Pixmap icon_pixmap; | |
| 57 Pixmap mask_pixmap; | |
|
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58 Window icon_window = None; |
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59 GC gc; |
| 0 | 60 XGCValues GCvalues; |
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61 int i, dbpp; |
| 0 | 62 SDL_Rect bounds; |
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63 Uint8 *LSBmask; |
| 0 | 64 Visual *dvis; |
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65 char *p; |
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66 int masksize; |
| 0 | 67 |
| 68 SDL_Lock_EventThread(); | |
| 69 | |
| 70 /* The icon must use the default visual, depth and colormap of the | |
| 71 screen, so it might need a conversion */ | |
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72 dvis = DefaultVisual(SDL_Display, SDL_Screen); |
| 0 | 73 dbpp = DefaultDepth(SDL_Display, SDL_Screen); |
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74 for(i = 0; i < this->hidden->nvisuals; i++) { |
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75 if(this->hidden->visuals[i].visual == dvis) { |
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76 dbpp = this->hidden->visuals[i].bpp; |
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77 break; |
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78 } |
| 0 | 79 } |
| 80 | |
| 81 /* The Visual struct is supposed to be opaque but we cheat a little */ | |
| 82 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 83 dbpp, | |
| 84 dvis->red_mask, dvis->green_mask, | |
| 85 dvis->blue_mask, 0); | |
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86 if ( sicon == NULL ) |
| 0 | 87 goto done; |
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88 |
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89 if(dbpp == 8) { |
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90 /* Default visual is 8bit; we need to allocate colours from |
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91 the default colormap */ |
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92 SDL_Color want[256], got[256]; |
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93 int nwant; |
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94 Colormap dcmap; |
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95 int missing; |
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96 dcmap = DefaultColormap(SDL_Display, SDL_Screen); |
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97 if(icon->format->palette) { |
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98 /* The icon has a palette as well - we just have to |
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99 find those colours */ |
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100 nwant = icon->format->palette->ncolors; |
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101 memcpy(want, icon->format->palette->colors, |
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102 nwant * sizeof want[0]); |
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103 } else { |
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104 /* try the standard 6x6x6 cube for lack of better |
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105 ideas */ |
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106 int r, g, b, i; |
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107 for(r = i = 0; r < 256; r += 0x33) |
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108 for(g = 0; g < 256; g += 0x33) |
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109 for(b = 0; b < 256; b += 0x33, i++) { |
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110 want[i].r = r; |
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111 want[i].g = g; |
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112 want[i].b = b; |
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113 } |
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114 nwant = 216; |
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115 } |
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116 if(SDL_iconcolors) { |
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117 /* free already allocated colours first */ |
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118 unsigned long freelist[512]; |
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119 int nfree = 0; |
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120 for(i = 0; i < 256; i++) { |
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121 while(SDL_iconcolors[i]) { |
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122 freelist[nfree++] = i; |
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123 SDL_iconcolors[i]--; |
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124 } |
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125 } |
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126 XFreeColors(GFX_Display, dcmap, freelist, nfree, 0); |
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127 } |
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128 if(!SDL_iconcolors) |
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129 SDL_iconcolors = malloc(256 * sizeof *SDL_iconcolors); |
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130 memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors); |
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131 |
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132 /* try to allocate the colours */ |
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133 memset(got, 0, sizeof got); |
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134 missing = 0; |
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135 for(i = 0; i < nwant; i++) { |
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136 XColor c; |
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137 c.red = want[i].r << 8; |
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138 c.green = want[i].g << 8; |
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139 c.blue = want[i].b << 8; |
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140 c.flags = DoRed | DoGreen | DoBlue; |
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141 if(XAllocColor(GFX_Display, dcmap, &c)) { |
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142 /* got the colour */ |
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143 SDL_iconcolors[c.pixel]++; |
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144 got[c.pixel] = want[i]; |
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145 } else { |
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146 missing = 1; |
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147 } |
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148 } |
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149 if(missing) { |
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150 /* Some colours were apparently missing, so we just |
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151 allocate all the rest as well */ |
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152 XColor cols[256]; |
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153 for(i = 0; i < 256; i++) |
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154 cols[i].pixel = i; |
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155 XQueryColors(GFX_Display, dcmap, cols, 256); |
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156 for(i = 0; i < 256; i++) { |
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157 got[i].r = cols[i].red >> 8; |
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158 got[i].g = cols[i].green >> 8; |
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159 got[i].b = cols[i].blue >> 8; |
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160 if(!SDL_iconcolors[i]) { |
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161 if(XAllocColor(GFX_Display, dcmap, |
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162 cols + i)) { |
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163 SDL_iconcolors[i] = 1; |
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164 } else { |
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165 /* index not available */ |
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166 got[i].r = 0; |
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167 got[i].g = 0; |
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168 got[i].b = 0; |
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169 } |
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170 } |
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171 } |
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172 } |
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173 |
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174 SDL_SetColors(sicon, got, 0, 256); |
| 0 | 175 } |
| 176 | |
| 177 bounds.x = 0; | |
| 178 bounds.y = 0; | |
| 179 bounds.w = icon->w; | |
| 180 bounds.h = icon->h; | |
| 181 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) | |
| 182 goto done; | |
| 183 | |
|
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184 /* We need the mask as given, except in LSBfirst format instead of |
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185 MSBfirst. Reverse the bits in each byte. */ |
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186 masksize = ((sicon->w + 7) >> 3) * sicon->h; |
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187 LSBmask = malloc(masksize); |
| 0 | 188 if ( LSBmask == NULL ) { |
| 189 goto done; | |
| 190 } | |
|
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191 memset(LSBmask, 0, masksize); |
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192 for(i = 0; i < masksize; i++) |
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193 LSBmask[i] = reverse_byte(mask[i]); |
| 0 | 194 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow, |
|
236
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195 (char *)LSBmask, |
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196 sicon->w, sicon->h, |
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197 1L, 0L, 1); |
| 0 | 198 |
| 199 /* Transfer the image to an X11 pixmap */ | |
| 200 icon_image = XCreateImage(SDL_Display, | |
|
236
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201 DefaultVisual(SDL_Display, SDL_Screen), |
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202 DefaultDepth(SDL_Display, SDL_Screen), |
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203 ZPixmap, 0, sicon->pixels, |
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204 sicon->w, sicon->h, |
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205 32, 0); |
|
246
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From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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206 icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
|
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207 ? MSBFirst : LSBFirst; |
| 0 | 208 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, |
|
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209 DefaultDepth(SDL_Display, SDL_Screen)); |
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210 gc = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); |
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211 XPutImage(SDL_Display, icon_pixmap, gc, icon_image, |
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212 0, 0, 0, 0, sicon->w, sicon->h); |
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213 XFreeGC(SDL_Display, gc); |
| 0 | 214 XDestroyImage(icon_image); |
| 215 free(LSBmask); | |
| 216 sicon->pixels = NULL; | |
| 217 | |
|
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218 /* Some buggy window managers (some versions of Enlightenment, it |
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219 seems) need an icon window *and* icon pixmap to work properly, while |
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220 it screws up others. The default is only to use a pixmap. */ |
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221 p = getenv("SDL_VIDEO_X11_ICONWIN"); |
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222 if(p && *p) { |
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223 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root, |
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224 0, 0, sicon->w, sicon->h, 0, |
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225 CopyFromParent, |
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226 CopyFromParent); |
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227 XSetWindowBackgroundPixmap(SDL_Display, icon_window, |
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228 icon_pixmap); |
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229 XClearWindow(SDL_Display, icon_window); |
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230 } |
| 0 | 231 |
| 232 /* Set the window icon to the icon pixmap (and icon window) */ | |
| 233 wmhints = XAllocWMHints(); | |
| 234 wmhints->flags = (IconPixmapHint | IconMaskHint); | |
| 235 wmhints->icon_pixmap = icon_pixmap; | |
| 236 wmhints->icon_mask = mask_pixmap; | |
|
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237 if(icon_window != None) { |
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238 wmhints->flags |= IconWindowHint; |
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239 wmhints->icon_window = icon_window; |
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240 } |
| 0 | 241 XSetWMHints(SDL_Display, WMwindow, wmhints); |
| 242 XFree(wmhints); | |
| 243 XSync(SDL_Display, False); | |
| 244 | |
| 245 done: | |
| 246 SDL_Unlock_EventThread(); | |
|
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247 SDL_FreeSurface(sicon); |
| 0 | 248 } |
| 249 | |
| 250 void X11_SetCaption(_THIS, const char *title, const char *icon) | |
| 251 { | |
| 252 XTextProperty titleprop, iconprop; | |
| 253 | |
| 254 /* Lock the event thread, in multi-threading environments */ | |
| 255 SDL_Lock_EventThread(); | |
| 256 | |
| 257 if ( title != NULL ) { | |
|
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258 int error = XLocaleNotSupported; |
|
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259 #ifdef X_HAVE_UTF8_STRING |
|
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260 error = Xutf8TextListToTextProperty(SDL_Display, |
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261 (char **)&title, 1, XUTF8StringStyle, |
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262 &titleprop); |
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263 #endif |
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264 if ( error != Success ) { |
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265 XStringListToTextProperty((char **)&title, 1, |
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266 &titleprop); |
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267 } |
| 0 | 268 XSetWMName(SDL_Display, WMwindow, &titleprop); |
| 269 XFree(titleprop.value); | |
| 270 } | |
| 271 if ( icon != NULL ) { | |
|
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272 int error = XLocaleNotSupported; |
|
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273 #ifdef X_HAVE_UTF8_STRING |
|
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274 error = Xutf8TextListToTextProperty(SDL_Display, |
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275 (char **)&icon, 1, XUTF8StringStyle, &iconprop); |
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276 #endif |
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277 if ( error != Success ) { |
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278 XStringListToTextProperty((char **)&icon, 1, &iconprop); |
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279 } |
| 0 | 280 XSetWMIconName(SDL_Display, WMwindow, &iconprop); |
| 281 XFree(iconprop.value); | |
| 282 } | |
| 283 XSync(SDL_Display, False); | |
| 284 | |
| 285 SDL_Unlock_EventThread(); | |
| 286 } | |
| 287 | |
| 288 /* Iconify the window */ | |
| 289 int X11_IconifyWindow(_THIS) | |
| 290 { | |
| 291 int result; | |
| 292 | |
| 293 SDL_Lock_EventThread(); | |
| 294 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen); | |
| 295 XSync(SDL_Display, False); | |
| 296 SDL_Unlock_EventThread(); | |
| 297 return(result); | |
| 298 } | |
| 299 | |
| 300 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 301 { | |
|
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302 int result; |
| 0 | 303 |
| 304 if ( this->screen == NULL ) { | |
| 305 return(SDL_GRAB_OFF); | |
| 306 } | |
| 307 if ( ! SDL_Window ) { | |
| 308 return(mode); /* Will be set later on mode switch */ | |
| 309 } | |
| 310 if ( mode == SDL_GRAB_OFF ) { | |
| 311 XUngrabPointer(SDL_Display, CurrentTime); | |
|
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312 XUngrabKeyboard(SDL_Display, CurrentTime); |
| 0 | 313 } else { |
| 314 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 315 /* Unbind the mouse from the fullscreen window */ | |
| 316 XUngrabPointer(SDL_Display, CurrentTime); | |
| 317 } | |
| 318 /* Try to grab the mouse */ | |
|
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319 #if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ |
| 0 | 320 for ( numtries = 0; numtries < 10; ++numtries ) { |
|
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321 #else |
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322 while ( 1 ) { |
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323 #endif |
| 0 | 324 result = XGrabPointer(SDL_Display, SDL_Window, True, 0, |
| 325 GrabModeAsync, GrabModeAsync, | |
| 326 SDL_Window, None, CurrentTime); | |
|
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327 if ( result == GrabSuccess ) { |
| 0 | 328 break; |
| 329 } | |
| 330 SDL_Delay(100); | |
| 331 } | |
|
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332 if ( result != GrabSuccess ) { |
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333 /* Uh, oh, what do we do here? */ ; |
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334 } |
|
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335 /* Now grab the keyboard */ |
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336 XGrabKeyboard(SDL_Display, WMwindow, True, |
|
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337 GrabModeAsync, GrabModeAsync, CurrentTime); |
| 0 | 338 |
| 339 /* Raise the window if we grab the mouse */ | |
| 340 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
| 341 XRaiseWindow(SDL_Display, WMwindow); | |
|
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342 |
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343 /* Make sure we register input focus */ |
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344 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
| 0 | 345 } |
| 346 XSync(SDL_Display, False); | |
| 347 | |
| 348 return(mode); | |
| 349 } | |
| 350 | |
| 351 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 352 { | |
| 353 SDL_Lock_EventThread(); | |
| 354 mode = X11_GrabInputNoLock(this, mode); | |
| 355 SDL_Unlock_EventThread(); | |
| 356 | |
| 357 return(mode); | |
| 358 } | |
| 359 | |
| 360 /* If 'info' is the right version, this function fills it and returns 1. | |
| 361 Otherwise, in case of a version mismatch, it returns -1. | |
| 362 */ | |
| 363 static void lock_display(void) | |
| 364 { | |
| 365 SDL_Lock_EventThread(); | |
| 366 } | |
| 367 static void unlock_display(void) | |
| 368 { | |
| 369 /* Make sure any X11 transactions are completed */ | |
| 370 SDL_VideoDevice *this = current_video; | |
| 371 XSync(SDL_Display, False); | |
| 372 SDL_Unlock_EventThread(); | |
| 373 } | |
| 374 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 375 { | |
| 376 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 377 info->subsystem = SDL_SYSWM_X11; | |
| 378 info->info.x11.display = SDL_Display; | |
| 379 info->info.x11.window = SDL_Window; | |
| 380 if ( SDL_VERSIONNUM(info->version.major, | |
| 381 info->version.minor, | |
| 382 info->version.patch) >= 1002 ) { | |
| 383 info->info.x11.fswindow = FSwindow; | |
| 384 info->info.x11.wmwindow = WMwindow; | |
| 385 } | |
| 386 info->info.x11.lock_func = lock_display; | |
| 387 info->info.x11.unlock_func = unlock_display; | |
| 388 return(1); | |
| 389 } else { | |
| 390 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 391 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 392 return(-1); | |
| 393 } | |
| 394 } |